| Revenues | | 34,253.00 | 34,440.00 | 36,381.00 | 33,821.00 |
| | 8,982.00 | 7,633.00 | 10,380.00 | 7,752.00 |
| Selling, General, and Administrative | | 8,982.00 | 7,633.00 | 10,380.00 | 7,752.00 |
| Costs And Expenses | | 27,074.00 | 26,198.00 | 31,377.00 | 25,716.00 |
| Depreciation and Amortization | | 5,008.00 | 4,892.00 | 4,519.00 | 4,618.00 |
| Operating Income/Loss | | 7,179.00 | 8,242.00 | 5,004.00 | 8,105.00 |
| Income/Loss From Equity Method Investments | | 44.00 | 5.00 | 3.00 | -6.00 |
| Income/Loss From Continuing Operations Before Tax | | 5,274.00 | 6,784.00 | 3,063.00 | 6,527.00 |
| Income Tax Expense/Benefit, Deferred | | 730.00 | 703.00 | 531.00 | 1,714.00 |
| Income Tax Expense/Benefit | | 1,325.00 | 1,638.00 | 615.00 | 1,471.00 |
| | 3,949.00 | 5,146.00 | 2,448.00 | 5,056.00 |
| Attributable To Parent | | 3,835.00 | 5,045.00 | 2,342.00 | 4,950.00 |
| Attributable To Noncontrolling Interest | | 114.00 | 101.00 | 106.00 | 106.00 |
| Basic Average Shares | | 4,168.00 | 4,205.00 | - | 4,228.00 |
| Diluted Average Shares | | 4,171.00 | 4,210.00 | - | 4,233.00 |
| Basic Earnings Per Share | | 0.92 | 1.20 | - | 1.17 |
| Diluted Earnings Per Share | | 0.92 | 1.20 | - | 1.17 |
| Common Stock Dividends | 0.71 | 0.71 | 0.71 | 0.69 | 0.69 |
